//
// Created by jedi on 11/5/18.
//

#pragma once

#include "gfx/Canvas.h"
#include "gfx/Screen.h"

namespace micromenu {

    class Layout {
            class Slot {
                private:
                    int pos_ = 0;
                    int size_ = 0;
                    Canvas *canvas_ = nullptr;
                public:
                    node *content = nullptr;
                    friend Layout;
            };

        private:
            const int maxwidth_;
            const int maxheight_;
            int allocated_ = 0;
            Screen &screen_;

            int allocate_(node *, int);

            int expand_(int);

            int pack_(int);

        public:
            static const int maxslots = 10;
            Slot slots[maxslots];
            node *cursor = nullptr;

            explicit Layout(Screen &s) noexcept: maxwidth_(s.getWidth()), maxheight_(s.getHeight()), screen_(s) {

            }

            int apply(node *);

            void render();
    };

}